cardoon means: Cardoons, which are thick fleshy stalks that are similar to artichokes, belong to the family of thistle plants. This looks like a very large, rough, and matte-gray celery. It is very popular in Italy, France, and South America. Cardoons can be cooked or eaten raw and enjoyed as any other vegetable. (in Cooking Dictionary)

What else does cardoon mean?

Mediterranean plants (Cynara cardunculus) It is closely related to artichoke and is cultivated for its edible leavestalks, roots and other plants. (in Merlin Dictionary)